/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.content;

// Need the following import to get access to the app resources, since this
// class is in a sub-package.
import com.example.android.apis.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

import java.io.IOException;
import java.io.InputStream;

/**
 * Demonstration of styled text resources.
 */
public class ReadAsset extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		// See assets/res/any/layout/styled_text.xml for this
		// view layout definition.
		setContentView(R.layout.read_asset);

		// Programmatically load text from an asset and place it into the
		// text view. Note that the text we are loading is ASCII, so we
		// need to convert it to UTF-16.
		try {
			InputStream is = getAssets().open("read_asset.txt");

			// We guarantee that the available method returns the total
			// size of the asset... of course, this does mean that a single
			// asset can't be more than 2 gigs.
			int size = is.available();

			// Read the entire asset into a local byte buffer.
			byte[] buffer = new byte[size];
			is.read(buffer);
			is.close();

			// Convert the buffer into a string.
			String text = new String(buffer);

			// Finally stick the string into the text view.
			TextView tv = (TextView) findViewById(R.id.text);
			tv.setText(text);
		} catch (IOException e) {
			// Should never happen!
			throw new RuntimeException(e);
		}
	}
}
